sendmail

A friendly SMTP plugin for WordPress. No third-party, simply using WordPress native possibilities.

The SendCloud allows you to send email to your subscribers if your blog has updates. you can monitor the sending email data from data center

Create two textareas, one for create a form template and other for a mail template. The form can be putted in posts, pages or sidebars.

Routes wp_mail() through your provider's SMTP server. Simple settings page, built-in test tool, nothing else.